curl --request POST \
  --url https://api.example.com/v1/transactions/bulk \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "sku": "<string>",
      "region": "<string>",
      "sales_value": 123,
      "gross_profit": 123,
      "stock_after_sale": 123,
      "regular_price": 123,
      "promo_type": "<string>",
      "zone_price": 123,
      "external_transaction_id": "<string>",
      "unit_cost": 123,
      "discount_rate": 123,
      "currency": "<string>",
      "tax_rate": 123,
      "transaction_type": "<string>",
      "item_id": "<string>",
      "store_id": "<string>",
      "transaction_timestamp": "2023-11-07T05:31:56Z",
      "quantity": 123,
      "selling_price": 123
    }
  ]
}
'

import requests

url = "https://api.example.com/v1/transactions/bulk"

payload = { "items": [
        {
            "sku": "<string>",
            "region": "<string>",
            "sales_value": 123,
            "gross_profit": 123,
            "stock_after_sale": 123,
            "regular_price": 123,
            "promo_type": "<string>",
            "zone_price": 123,
            "external_transaction_id": "<string>",
            "unit_cost": 123,
            "discount_rate": 123,
            "currency": "<string>",
            "tax_rate": 123,
            "transaction_type": "<string>",
            "item_id": "<string>",
            "store_id": "<string>",
            "transaction_timestamp": "2023-11-07T05:31:56Z",
            "quantity": 123,
            "selling_price": 123
        }
    ] }
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {
        sku: '<string>',
        region: '<string>',
        sales_value: 123,
        gross_profit: 123,
        stock_after_sale: 123,
        regular_price: 123,
        promo_type: '<string>',
        zone_price: 123,
        external_transaction_id: '<string>',
        unit_cost: 123,
        discount_rate: 123,
        currency: '<string>',
        tax_rate: 123,
        transaction_type: '<string>',
        item_id: '<string>',
        store_id: '<string>',
        transaction_timestamp: '2023-11-07T05:31:56Z',
        quantity: 123,
        selling_price: 123
      }
    ]
  })
};

fetch('https://api.example.com/v1/transactions/bulk', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/v1/transactions/bulk",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'items' => [
        [
                'sku' => '<string>',
                'region' => '<string>',
                'sales_value' => 123,
                'gross_profit' => 123,
                'stock_after_sale' => 123,
                'regular_price' => 123,
                'promo_type' => '<string>',
                'zone_price' => 123,
                'external_transaction_id' => '<string>',
                'unit_cost' => 123,
                'discount_rate' => 123,
                'currency' => '<string>',
                'tax_rate' => 123,
                'transaction_type' => '<string>',
                'item_id' => '<string>',
                'store_id' => '<string>',
                'transaction_timestamp' => '2023-11-07T05:31:56Z',
                'quantity' => 123,
                'selling_price' => 123
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/transactions/bulk"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"sku\": \"<string>\",\n      \"region\": \"<string>\",\n      \"sales_value\": 123,\n      \"gross_profit\": 123,\n      \"stock_after_sale\": 123,\n      \"regular_price\": 123,\n      \"promo_type\": \"<string>\",\n      \"zone_price\": 123,\n      \"external_transaction_id\": \"<string>\",\n      \"unit_cost\": 123,\n      \"discount_rate\": 123,\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"transaction_type\": \"<string>\",\n      \"item_id\": \"<string>\",\n      \"store_id\": \"<string>\",\n      \"transaction_timestamp\": \"2023-11-07T05:31:56Z\",\n      \"quantity\": 123,\n      \"selling_price\": 123\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/v1/transactions/bulk")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"sku\": \"<string>\",\n      \"region\": \"<string>\",\n      \"sales_value\": 123,\n      \"gross_profit\": 123,\n      \"stock_after_sale\": 123,\n      \"regular_price\": 123,\n      \"promo_type\": \"<string>\",\n      \"zone_price\": 123,\n      \"external_transaction_id\": \"<string>\",\n      \"unit_cost\": 123,\n      \"discount_rate\": 123,\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"transaction_type\": \"<string>\",\n      \"item_id\": \"<string>\",\n      \"store_id\": \"<string>\",\n      \"transaction_timestamp\": \"2023-11-07T05:31:56Z\",\n      \"quantity\": 123,\n      \"selling_price\": 123\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/transactions/bulk")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"sku\": \"<string>\",\n      \"region\": \"<string>\",\n      \"sales_value\": 123,\n      \"gross_profit\": 123,\n      \"stock_after_sale\": 123,\n      \"regular_price\": 123,\n      \"promo_type\": \"<string>\",\n      \"zone_price\": 123,\n      \"external_transaction_id\": \"<string>\",\n      \"unit_cost\": 123,\n      \"discount_rate\": 123,\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"transaction_type\": \"<string>\",\n      \"item_id\": \"<string>\",\n      \"store_id\": \"<string>\",\n      \"transaction_timestamp\": \"2023-11-07T05:31:56Z\",\n      \"quantity\": 123,\n      \"selling_price\": 123\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "results": [
    {
      "index": 123,
      "ok": true,
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ]
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}